Properties of the Number 4655

Four Thousand Six Hundred Fifty-Five

Basics

Value: 4654 → 4655 → 4656

Parity: odd

Prime: No

Previous Prime: 4651

Next Prime: 4657

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 7 ² × 19

Divisors: 1, 5, 7, 19, 35, 49, 95, 133, 245, 665

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001000101111

Octal: 11057

Duodecimal: 283B

Hexadecimal: 122f

Square: 21669025

Square Root: 68.22756041366274

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of free polyominoes (or square animals) with n cells. A105

Number of sublattices of index n in generic 3-dimensional lattice. A1001

Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m·k + 1)*T(n-1, k, m) + m·k*(n-k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1 and m = 5, read by rows. A157151

Toothpick sequence in the three-dimensional grid. A160160

Composite numbers such that the square root of the sum of squares of their prime factors (with multiplicity) is an integer. A134605

Partial sums of A213709. A218600

Expansion of ∑_n>=1 ( (1 + xⁿ)ⁿ - 1 ). A318636

Number of compositions of n with strictly decreasing differences. A325548

Number of integer partitions of n such that the dual of the multiset partition obtained by factoring each part into prime numbers is a (strict) antichain, also called T₁ integer partitions. A326977

Areas of all nondegenerate integer triangles, T, expressed as 16·area(T)². a(n) is for the triangle with sides A316841(n, 1..3). A316853